The Cleveland Guardians have the lowest ERA by a team in their last 15 games, with an ERA of 2.53.

	TEAM	ERA	G	W%	W	L	SO	SHO	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Guardians	2.53	15	.667	10	5	169	0	2	135.0	98	38	42	10	40	7	2	544	2	11.27	2.67	4.22	0.67	31.1	7.4	1.02	.277	2.80	6.53
2	Pirates	2.71	15	.467	7	8	141	0	3	133.0	108	40	46	15	41	4	1	539	7	9.54	2.77	3.44	1.02	26.2	7.6	1.12	.275	3.11	7.31
3	Cubs	2.95	15	.533	8	7	117	0	5	131.0	106	43	52	18	34	4	0	530	2	8.04	2.34	3.44	1.24	22.1	6.4	1.07	.246	3.57	7.28
4	Dodgers	3.06	15	.733	11	4	143	0	5	147.0	118	50	53	12	56	8	6	608	7	8.76	3.43	2.55	0.73	23.5	9.2	1.18	.272	3.24	7.22
5	Red Sox	3.14	15	.533	8	7	141	0	4	132.0	115	46	53	11	47	4	0	555	2	9.61	3.20	3.00	0.75	25.4	8.5	1.23	.295	3.61	7.84
6	Marlins	3.15	15	.733	11	4	137	0	5	140.0	112	49	57	23	49	4	3	580	13	8.81	3.15	2.80	1.48	23.6	8.4	1.15	.243	3.66	7.20
7	Brewers	3.15	15	.333	5	10	137	0	3	131.1	111	46	57	23	56	4	5	559	1	9.39	3.84	2.45	1.58	24.5	10.0	1.27	.260	3.91	7.61
8	Tigers	3.16	15	.400	6	9	146	0	4	136.2	109	48	56	13	49	4	3	560	2	9.61	3.23	2.98	0.86	26.1	8.8	1.16	.276	3.69	7.18
9	Phillies	3.16	15	.467	7	8	136	0	3	136.2	118	48	53	17	35	7	1	560	4	8.96	2.30	3.89	1.12	24.3	6.3	1.12	.277	3.49	7.77
10	Padres	3.27	15	.600	9	6	148	0	4	132.0	111	48	49	20	54	7	3	546	4	10.09	3.68	2.74	1.36	27.1	9.9	1.25	.287	3.34	7.57
11	Reds	3.32	15	.600	9	6	136	1	6	133.0	112	49	54	14	36	11	3	551	3	9.20	2.44	3.78	0.95	24.7	6.5	1.11	.277	3.65	7.58
12	Braves	3.38	15	.733	11	4	147	0	5	136.0	126	51	51	16	40	5	0	562	3	9.73	2.65	3.68	1.06	26.2	7.1	1.22	.311	3.38	8.34
13	Yankees	3.56	15	.733	11	4	130	0	4	134.0	109	53	55	18	42	6	1	555	4	8.73	2.82	3.10	1.21	23.4	7.6	1.13	.253	3.69	7.32
14	Athletics	3.58	15	.600	9	6	108	0	5	133.1	123	53	62	17	56	4	3	572	2	7.29	3.78	1.93	1.15	18.9	9.8	1.34	.274	4.18	8.30
15	Blue Jays	3.63	15	.533	8	7	153	0	2	144.0	109	58	58	26	68	5	11	597	5	9.56	4.25	2.25	1.63	25.6	11.4	1.23	.241	3.63	6.81
16	Rangers	3.88	15	.267	4	11	128	0	2	134.2	126	58	66	17	39	6	3	564	4	8.55	2.61	3.28	1.14	22.7	6.9	1.23	.291	4.41	8.42
17	Twins	3.94	15	.333	5	10	145	0	1	134.2	110	59	63	16	40	5	4	550	8	9.69	2.67	3.63	1.07	26.4	7.3	1.11	.273	4.21	7.35
18	Astros	4.12	15	.533	8	7	117	0	4	131.0	120	60	63	22	47	1	0	549	2	8.04	3.23	2.49	1.51	21.3	8.6	1.27	.271	4.33	8.24
19	Mets	4.13	15	.467	7	8	119	0	2	135.0	125	62	70	15	38	9	0	564	7	7.93	2.53	3.13	1.00	21.1	6.7	1.21	.287	4.67	8.33
20	Mariners	4.37	15	.400	6	9	125	0	2	140.0	124	68	71	21	49	5	6	588	8	8.04	3.15	2.55	1.35	21.3	8.3	1.24	.265	4.56	7.97
21	Royals	4.37	15	.533	8	7	119	0	3	131.2	118	64	67	23	42	2	0	541	6	8.13	2.87	2.83	1.57	22.0	7.8	1.22	.268	4.58	8.07
22	Rays	4.47	15	.333	5	10	125	0	2	131.0	121	65	73	17	50	4	1	557	8	8.59	3.44	2.50	1.17	22.4	9.0	1.31	.288	5.02	8.31
23	Cardinals	4.59	15	.400	6	9	123	0	4	131.1	141	67	79	19	46	6	2	582	5	8.43	3.15	2.67	1.30	21.1	7.9	1.42	.314	5.41	9.66
24	White Sox	4.69	15	.200	3	12	139	0	2	128.2	125	67	69	23	51	2	4	550	10	9.72	3.57	2.73	1.61	25.3	9.3	1.37	.304	4.83	8.74
25	Diamondbacks	4.69	15	.467	7	8	125	0	2	136.1	132	71	80	22	45	4	1	588	2	8.25	2.97	2.78	1.45	21.3	7.7	1.30	.281	5.28	8.71